KAESER KOMPRESSOREN SX, Service Manual, Page: 33 / 122

If the floating relay contacts are connected to an external voltage source, voltage may be
present even when the machine is isolated from the power supply.
4.4 Remote LOAD-IDLE control
The controller enables remote control of the LOAD phase by an external floating relay contact.
Connections
Delivery condition
■ The connections in the controller are wire bridged.
■ With the bridge in place, the controller toggles the machine between LOAD and IDLE.
➤ Reinstate this delivery condition when the machine is not to be remotely controlled.
Function
■ Contact closed: LOAD
■ Contact open: IDLE
When the contact closes the machine switches to LOAD. When the contact opens the machine
switches to IDLE.
At the end of the idling period, the machine switches to STANDSTILL and is in stand-by. The length
of the idling period depends on the control mode being selected.
If the «ON» key is pressed while the remote contact is open, the machine remains in stand-by and
starts as soon as the remote contact closes.
4.5 Options
The options available for your machine are described below.
4.5.1 Option H1
Machine mountings
These mountings allow the machine to be anchored firmly to the floor.
Fig. 5 Machine mountings
4 Design and Function
4.4 Remote LOAD-IDLE control
9_6919 04 E
Service Manual Screw Compressor
SX SIGMA CONTROL BASIC
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